Printing control apparatus, printing apparatus, and non-transitory computer-readable storage medium storing program

ABSTRACT

A PC includes a first set information DB that stores a plurality of pieces of first set information including color conversion information for color-converting first color information into second color information different from the first color information and a print setting corresponding to the color conversion information in association with each other, and a PC control unit that obtains a designation print setting which is a print setting designated for print data, causes a PC display unit to display a color conversion list including one or more options of the color conversion information associated with the print setting corresponding to the obtained designation print setting based on the plurality of pieces of first set information stored in the first set information DB, and controls color conversion to be performed on the print data based on color conversion information selected from the color conversion list.

The present application is based on, and claims priority from JPApplication Serial Number 2019-003411, filed Jan. 11, 2019, thedisclosure of which is hereby incorporated by reference herein in itsentirety.

BACKGROUND 1. Technical Field

The present disclosure relates to a printing control apparatus, aprinting apparatus, a printing system, and a non-transitorycomputer-readable storage medium storing a program.

2. Related Art

In the related art, as described in JP-A-2016-186690, there is known aprinting control apparatus which stores a plurality of pieces of colorconversion information in which color information before colorconversion and color information after the color conversion areassociated with each other and performs color conversion on print databy using color conversion information selected from the plurality ofpieces of color conversion information.

In the printing control apparatus in the related art, it is necessaryfor a user to consider a print setting and the like for print data andto select color conversion information from the plurality of pieces ofcolor conversion information, and therefore, an interface for the usermore simply selecting the color conversion information according to theprint setting and the like is required.

SUMMARY

According to an aspect of the present disclosure, there is provided aprinting control apparatus including: a storage unit configured to storea plurality of pieces of correspondence information including colorconversion information for color-converting first color information intosecond color information different from the first color information anda print setting corresponding to the color conversion information inassociation with each other; a print setting obtainment unit configuredto obtain a designation print setting which is a print settingdesignated for print data; and a control unit configured to cause thedisplay unit to display a color conversion list including one or moreoptions of color conversion information associated with the printsetting corresponding to the obtained designation print setting based onthe plurality of pieces of correspondence information stored in thestorage unit and control color conversion to be performed on the printdata based on color conversion information selected from the colorconversion list.

According to another aspect of the present disclosure, there is provideda printing apparatus including: a printing unit configured to executeprinting; a storage unit configured to store a plurality of pieces ofcorrespondence information including color conversion information forcolor-converting first color information into second color informationdifferent from the first color information and a print settingcorresponding to the color conversion information in association witheach other; a print data obtainment unit configured to obtain printdata; a print setting obtainment unit configured to obtain a designationprint setting which is a print setting designated for the print data;and a printing apparatus control unit configured to cause a display unitto display a color conversion list including one or more options ofcolor conversion information associated with the print settingcorresponding to the obtained designation print setting based on theplurality of pieces of correspondence information stored in the storageunit, perform color conversion on the obtained print data based on colorconversion information selected from the color conversion list, andcause a printing unit to execute printing based on image data obtainedby performing color conversion on the print data.

According to still another aspect of the present disclosure, there isprovided a printing system including: a printing apparatus configured tostore a plurality of pieces of color conversion information forcolor-converting first color information into second color informationdifferent from the first color information; and a printing controlapparatus configured to perform print control on the printing apparatus.The printing control apparatus includes a storage unit configured tostore a plurality of pieces of correspondence information including theplurality of pieces of color conversion information stored in theprinting apparatus and print settings corresponding to the plurality ofpieces of color conversion information in association with each other, aprint setting obtainment unit configured to obtain a designation printsetting which is a print setting designated for print data, and acontrol apparatus control unit configured to cause a display unit todisplay a color conversion list including one or more options of colorconversion information associated with the print setting correspondingto the obtained designation print setting based on the plurality ofpieces of correspondence information stored in the storage unit andtransmit the print data including designation information fordesignating color conversion information selected from the colorconversion list. The printing apparatus includes a printing apparatuscontrol unit configured to read the color conversion informationdesignated by the designation information included in the obtained printdata among the plurality of pieces of color conversion informationstored in the printing apparatus, perform color conversion on theobtained print data based on the read color conversion information, andcause a printing unit to execute printing based on image data obtainedby performing color conversion on the print data.

According to still another aspect of the present disclosure, there isprovided a non-transitory computer-readable storage medium storing aprogram that causes a computer, including a storage unit that stores aplurality of pieces of correspondence information including colorconversion information for color-converting first color information intosecond color information different from the first color information anda print setting corresponding to the color conversion information inassociation with each other, to execute: obtaining a designation printsetting designated for print data; and causing a display unit to displaya color conversion list including one or more options of colorconversion information associated with the print data corresponding tothe obtained designation print setting based on the plurality of piecesof correspondence information stored in the storage unit and controllingcolor conversion to be performed on the print data based on colorconversion information selected from the color conversion list.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a block diagram of a first printing system according to afirst embodiment.

FIG. 2 is a diagram illustrating an example of a first color conversioninformation creation screen.

FIG. 3 is a diagram illustrating an example of first set information.

FIG. 4 is a diagram illustrating an example of second set information.

FIG. 5 is a diagram illustrating an example of a main setting screen.

FIG. 6 is a diagram illustrating an example of a first detail settingscreen according to the first embodiment.

FIG. 7 is a flowchart illustrating a flow of a registration processaccording to the first embodiment.

FIG. 8 is a flowchart illustrating a flow of a printing processaccording to the first embodiment.

FIG. 9 is a block diagram of a first printing system according to amodification example of the first embodiment.

FIG. 10 is a flowchart illustrating a flow of a registration processaccording to the modification example of the first embodiment.

FIG. 11 is a flowchart illustrating a flow of a printing processaccording to the modification example of the first embodiment.

FIG. 12 is a block diagram of a second printing system according to asecond embodiment.

FIG. 13 is a diagram illustrating an example of third set information.

FIG. 14 is a diagram illustrating an example of a second colorconversion information creation screen according to the secondembodiment.

FIG. 15 is a diagram illustrating an example of a second detail settingscreen according to the second embodiment.

FIG. 16 is a flowchart illustrating a flow of a registration processaccording to the second embodiment.

FIG. 17 is a flowchart illustrating a flow of a printing processaccording to the second embodiment.

FIG. 18 is a diagram illustrating an example of an image area and aconversion target area in print data.

FIG. 19 is a diagram illustrating an example of a second detail settingscreen according to a modification example of the second embodiment.

DESCRIPTION OF EXEMPLARY EMBODIMENTS First Embodiment

Hereinafter, a printing control apparatus, a printing apparatus, aprinting system, and a non-transitory computer-readable storage mediumstoring a program according to an embodiment will be described withreference to the drawings. FIG. 1 is a diagram of a system configurationof a first printing system SY1 according to a first embodiment. Thefirst printing system SY1 includes one or more personal computers (PCs)1, one or more printing apparatuses 2, and a communication line 5 whichconnects the PC 1 and the printing apparatus 2. FIG. 1 illustrates thefirst printing system SY1 including one PC 1 and one printing apparatus2, but the number of the PCs 1 and the printing apparatuses 2 includedin the first printing system SY1 may not be the same. The PC 1 is anexample of “printing control apparatus” and “computer”. Instead of thecommunication line 5, one or more of the PCs 1 and one or more printingapparatuses 2 may be connected with each other by a network such as alocal area network (LAN) or the like.

The PC 1 generates print data, and transmits the generated print data tothe printing apparatus 2. The generation of the print data and thetransmission of the print data are an example of “print control”. Theprinting apparatus 2 performs an image process such as a colorconversion process or the like on the print data obtained from the PC 1so as to generate image data, and performs printing based on thegenerated image data. The printing apparatus 2 is not specificallylimited, and is a label printer for generating a medical label or aproduct label, for example.

The printing apparatus 2 according to the present embodiment performs acolor conversion process based on color conversion informationregistered in advance, as a part of a color conversion process. Thecolor conversion information is information for converting colorinformation, and is information for converting color information (R, G,and B) before conversion into color information (R′, G′, and B′) afterconversion. That is, a color conversion process based on colorconversion information indicates a process of rewriting colorinformation which coincides with color information before conversionregistered in advance into color information after conversion registeredin advance, in the print data. In this manner, by performing the colorconversion process based on the color conversion information, it ispossible to delete a difference between a color of print data generatedin the PC 1 and a color of a printout obtained by actually printing theprint data. Accordingly, in a case of generating a printout requiringprecise color reproduction such as a printout including a product logoor a logotype, it is possible to print with an accurate color desired bya user. The color information before conversion is an example of “firstcolor information”, and the color information after conversion is anexample of “second color information”. In addition, in the followingdescription, conversion of color information is also referred to as“color conversion”.

The PC 1 includes a PC control unit 11, a PC operation unit 12, a PCdisplay unit 13, a PC communication unit 14, and a PC storage unit 15 asa main hardware configuration. The PC control unit 11 is an example of“print setting obtainment unit”, “control unit”, and “control apparatuscontrol unit”. In addition, the PC display unit 13 is an example of“display unit”. Further, the PC storage unit 15 is an example of“storage unit”.

The PC control unit 11 includes read only memory (ROM), random accessmemory (RAM), and the like in addition to a processor such as a centralprocessing unit (CPU) or the like, and controls each unit in the PC 1 bythe processor executing a program stored in the ROM, the RAM, or thelike. The processor may be configured to include a plurality of CPUs ora hardware circuit such as an application specific integrated circuit(ASIC) or the like. In addition, the processor may be configured suchthat one or more CPUs and a hardware circuit such as an ASIC operate incooperation.

The PC operation unit 12 is, for example, a keyboard or a mouse, and isused by a user to perform various operations such as generation of colorconversion information or a print setting. The PC display unit 13 is aliquid crystal display, for example, and displays various kinds ofinformation such as a first color conversion information creation screenD1 (see FIG. 2) or a print setting screen D2 (see FIGS. 5 and 6) to bedescribed below. The PC communication unit 14 communicates with theprinting apparatus 2 via the communication line 5.

The PC storage unit 15 is, for example, a storage device such as a harddisk drive (HDD) or the like, and stores an operating system (OS) 31, aprint application 32, a color conversion information creation tool 33, aprint driver 34, a first set information database 35, and the like.Hereinafter, the database is referred to as “DB”. Further, the printdriver 34 is an example of “program”.

The OS 31 is basic software for operating various application programssuch as the print application 32. The print application 32 is anapplication program for generating an image, a document, or the like tobe printed. The color conversion information creation tool 33 is anapplication program for generating color conversion information. Thefirst color conversion information creation screen D1 (see FIG. 2) to bedescribed below is an operation screen of the color conversioninformation creation tool 33. The print driver 34 is an applicationprogram for performing print control of the printing apparatus 2 such asgeneration of print data of a command system interpretable by theprinting apparatus 2. The print setting screen D2 (see FIGS. 5 and 6) tobe described below is an operation screen of the print driver 34. Thefirst set information DB 35 stores first set information (see FIG. 3) tobe described below. The first set information is an example of“correspondence information”.

The printing apparatus 2 includes a printing apparatus control unit 21,a printing apparatus operation unit 22, a printing apparatus displayunit 23, a printing mechanism 24, a printing apparatus communicationunit 25, and a printing apparatus storage unit 26 as a main hardwareconfiguration. A printing method of the printing apparatus 2 is notparticularly limited, and for example, an ink jet method, anelectrophotographic method, a thermal transfer method, a thermal method,or the like can be used. The printing mechanism 24 is an example of“printing unit”.

The printing apparatus control unit 21 includes a processor such as aCPU or the like, ROM, RAM, and the like, and controls each unit in theprinting apparatus 2 by the processor executing a program stored in theROM, the RAM, or the like. The processor may be configured to include aplurality of CPUs or a hardware circuit such as an ASIC or the like. Inaddition, the processor may be configured such that one or more CPUs anda hardware circuit such as an ASIC operate in cooperation.

The printing apparatus operation unit 22 is used for a user to performvarious operations on the printing apparatus 2. The printing apparatusdisplay unit 23 displays various kinds of information. The printingapparatus operation unit 22 and the printing apparatus display unit 23may be configured to include a common member, for example, a touch paneltype operation panel. The printing mechanism 24 is a printer enginewhich performs print on a printing medium such as label paper or thelike. For example, when the printing apparatus 2 is an ink jet printer,the printing mechanism 24 includes an ink jet head, a head drivingmechanism, a printing medium transport mechanism, and the like. Theprinting apparatus communication unit 25 communicates with the PC 1 viathe communication line 5.

The printing apparatus storage unit 26 is, for example, a storage devicesuch as flash memory or the like, and stores firmware 37, a second setinformation DB 38, and the like. The firmware 37 is a control programfor controlling the printing apparatus 2. The printing apparatus controlunit 21 performs an image process on print data or print control on theprinting mechanism 24, based on the firmware 37. The second setinformation DB 38 stores second set information (see FIG. 4) to bedescribed below.

FIG. 2 is a diagram illustrating an example of the first colorconversion information creation screen D1 displayed on the PC displayunit 13. The first color conversion information creation screen D1 is ascreen for generating the first set information to be described below.The first color conversion information creation screen D1 includes acolor conversion relation setting area 41, and a print setting area 42.In the color conversion relation setting area 41, color conversioninformation is set, and information on the color conversion informationis set. Further, in the print setting area 42, a print settingappropriate to the color conversion information set in the colorconversion relation setting area 41 is performed. Hereinafter, the printsetting set in the print setting area 42 of the first color conversioninformation creation screen D1 is referred to as “appropriate printsetting”.

In the color conversion relation setting area 41, a registration numberinput field 51, a name input field 52, and a color conversioninformation input field 53 are displayed. A registration number of colorconversion information, that is, a registration number of first setinformation to be described below is input to the registration numberinput field 51. The registration number is an example of “designationinformation”. The registration number input field 51 may be configuredsuch that a registration number is not input by a user but a numberautomatically assigned by the PC control unit 11 is input.

A name of the color conversion information is input to the name inputfield 52. A name of the color conversion information is an example of“color conversion options”. The color information (R, G, and B) beforeconversion and the color information (R′, G′, and B′) after conversionare input to the color conversion information input field 53 inassociation with each other. The color information (R, G, and B) beforeconversion and the color information (R′, G′, and B′) after conversionare represented by a color value having 1 byte, that is, 256 stages, forexample.

The color conversion information input field 53 may be configured suchthat the color value of the color information after conversion is notinput but a patch number corresponding to the color information afterconversion is input. In this case, the PC control unit 11 causes theprinting apparatus 2 to print a patch table (not illustrated) in which aplurality of patches having different color values are arranged togetherwith patch numbers by using the color conversion information creationtool 33, and a user may input a patch number of a desired color valuewhile seeing the patch table. As illustrated in FIG. 2, a plurality ofcolor conversion information input fields 53 are provided, and it ispossible to input a plurality of pieces of color conversion information.

In the print setting area 42, a first print quality selection field 55,a first paper type selection field 56, and a first print densityselection field 57 are displayed. In the first print quality selectionfield 55, one of a plurality of options including “fast” and “clean” isselected as a print quality. In the first paper type selection field 56,one of a plurality of options including “plain paper” and “glossy paper”is selected as a paper type. In the first print density selection field57, one of a plurality of options including “0”, “1”, and “2” isselected as a print density. For example, when the printing apparatus 2is an ink jet printer, the print density corresponds to the ink ejectionamount per pixel, and the higher the numerical value, the larger the inkejection amount per pixel. A type of setting items and options set inthe print setting area 42 is an example, and is not limited thereto. Forexample, resolution, a data format, a color setting, and the like ofprint data may be set in the print setting area 42.

When the user selects a first OK button 58 on the first color conversioninformation creation screen D1, the PC control unit 11 generates firstset information to be described below on the basis of the setting on thefirst color conversion information creation screen D1, and registers thegenerated first set information in the first set information DB 35. Inaddition, when the user selects a first cancel button 59, the PC controlunit 11 cancels the setting on the first color conversion informationcreation screen D1.

FIG. 3 is a diagram illustrating an example of first set information.The first set information includes first color conversion relationinformation based on a setting content in the color conversion relationsetting area 41 and print setting information based on a setting contentin the print setting area 42, in the first color conversion informationcreation screen D1. Further, the first color conversion relationinformation includes a registration number and a name of colorconversion information, and the color conversion information. The colorconversion information includes color information before conversion andcolor information after conversion. As described in registration numbersof “6” and “7” in the first set information, a plurality of pieces ofcolor conversion information are set to one registration number, in somecases.

FIG. 4 is a diagram illustrating an example of second set information.The second set information includes a registration number and colorconversion information. The second set information registered in thesecond set information DB 38 is information obtained by extracting aregistration number and color conversion information in first colorconversion relation information from first set information registered inthe first set information DB 35.

FIGS. 5 and 6 are diagrams illustrating an example of the print settingscreen D2 displayed on the PC display unit 13. The print setting screenD2 is a screen for performing a print setting of designating print datawhen printing the print data. In the print setting screen D2, a printsetting set in a selection field other than a color conversioninformation selection field 72 (see FIG. 6) is referred to as“designation print setting” as distinguished from “appropriate printsetting” set in the first color conversion information creation screenD1. The print setting screen D2 includes a main setting screen D21 (seeFIG. 5) and a first detail setting screen D22 (see FIG. 6) configured totransit from the main setting screen D21.

The main setting screen D21 includes a second print quality selectionfield 61, a second paper type selection field 62, a setting selectionradio button 63, a detail setting button 64, a second OK button 65, anda second cancel button 66. In the second print quality selection field61 and the second paper type selection field 62, options similar tothose in the first print quality selection field 55 and the first papertype selection field 56 of the first color conversion informationcreation screen D1 are displayed. The setting selection radio button 63includes a “recommended setting” and a “detail setting” to allow theuser to select one of the settings. When “recommended setting” isselected, a recommended print setting excluding print quality and apaper type and set in advance is designated for print data. In addition,when “detail setting” is selected, a print setting set on the firstdetail setting screen D22 (see FIG. 6) is designated for print data.

When “detail setting” is selected by the setting selection radio button63 and the detail setting button 64 is selected, the PC control unit 11displays the first detail setting screen D22. In addition, when thesecond OK button 65 is selected, the PC control unit 11 confirms asetting on the print setting screen D2. Further, when the second cancelbutton 66 is selected, the PC control unit 11 cancels the setting on theprint setting screen D2.

FIG. 6 is a diagram illustrating an example of the first detail settingscreen D22. In the first detail setting screen D22, a second printdensity selection field 71, the color conversion information selectionfield 72, and a close button 73 are displayed. In the second printdensity selection field 71, options similar to those in the first printdensity selection field 57 of the first color conversion informationcreation screen D1 are displayed.

In the color conversion information selection field 72, options of colorconversion information used for color conversion are displayed as adrop-down list. Hereinafter, the drop-down list of the color conversioninformation selection field 72 is referred to as “color conversion list72 a”. Based on first set information stored in the first setinformation DB 35, the PC control unit 11 displays names of one or morepieces of color conversion information associated with an appropriateprint setting corresponding to the obtained designation print setting,in the color conversion list 72 a. The designation print setting is asetting of the second print quality selection field 61, the second papertype selection field 62, and the second print density selection field71. Hereinafter, a name of the color conversion information displayed inthe color conversion list 72 a is referred to as “color conversionoption”. The color conversion option is an example of “color conversioninformation option”. When a plurality of color conversion options aredisplays in the color conversion list 72 a, the PC control unit 11displays the plurality of color conversion options in order according toa registration number of the corresponding color conversion information.

For example, when the first set information illustrated in FIG. 3 isregistered in the first set information DB 35, and “print quality:fast”, “paper type: plain paper”, and “print density: 0” are obtained asa designation print setting, the PC control unit 11 displays a name ofcolor conversion information having registration numbers of “1”, “2”,and “3” matching all of the three settings, in the color conversion list72 a. When it is assumed that the first set information which matchesall of the three settings is not registered in the first set informationDB 35, the PC control unit 11 does not display the color conversion list72 a. In this manner, in the color conversion information selectionfield 72, it is possible to select only the color conversion informationappropriate to the print setting set on the print setting screen D2.When the close button 73 on the first detail setting screen D22 isselected, the PC control unit 11 confirms the setting of the firstdetail setting screen D22 and hides the first detail setting screen D22.

FIG. 7 is a flowchart illustrating a flow of a registration processaccording to the first embodiment. In the registration process, the PCcontrol unit 11 performs a process mainly based on the color conversioninformation creation tool 33. Further, in the registration process,first set information and second set information are registered.

The PC control unit 11 displays the first color conversion informationcreation screen D1 (see FIG. 2) (S11), and obtains a color conversionrelation setting and an appropriate print setting by a user operation(S12). Further, the PC control unit 11 generates first set informationbased on the obtained color conversion relation setting and appropriateprint setting, and registers the generated first set information in thefirst set information DB 35 (S13). In addition, the PC control unit 11transmits the second set information obtained by extracting aregistration number and color conversion information in first colorconversion relation information from the first set information, to theprinting apparatus 2 (S14). The printing apparatus 2 registers thesecond set information obtained from the PC 1, in the second setinformation DB 38 (S15).

FIG. 8 is a flowchart illustrating a flow of a printing processaccording to the first embodiment. Here, it is assumed that the firstset information is registered in the first set information DB 35 and thesecond set information is registered in the second set information DB 38by the registration process illustrated in FIG. 7. In the printingprocess, the PC control unit 11 performs a process mainly based on theprint driver 34.

The PC control unit 11 displays the print setting screen D2 (see FIGS. 5and 6) (S21), and obtains a designation print setting by a useroperation (S22). In addition, based on the obtained designation printsetting, the PC control unit 11 displays the color conversion list 72 ain the color conversion information selection field 72 (S23). The PCcontrol unit 11 obtains a selection result of the color conversion list72 a by a user operation (S24), and transmits print data including aregistration number of color conversion information corresponding to acolor conversion option selected from the color conversion list 72 a anddesignation print setting information indicating a designation printsetting, to the printing apparatus 2 (S25).

For example, as illustrated in FIG. 6, when a name of “A_Corp_ProdLabel”is selected from the color conversion list 72 a as the color conversionoption, a registration number of color conversion information having thename of “A_Corp_ProdLabel” is “1” as illustrated in FIG. 3, so that thePC control unit 11 transmits print data having the registration numberof “1”. In the present embodiment, the registration number and thedesignation print setting information are included in the print data asheader information of the print data, but the registration number andthe designation print setting information may be transmitted separatelyfrom the print data.

Further, it is assumed that the print data transmitted in S25 is acommand for drawing an image, a text, a figure, and the like andincludes a drawing command in a command system interpretable by theprinting apparatus 2. Here, “image” refers to an image represented as acollection of pixels. In addition, the process in S25 is an example of“controlling color conversion to be performed on print data based oncolor conversion information selected from color conversion list”.

When print data is obtained from the PC 1, the printing apparatuscontrol unit 21 reads the color conversion information designated by theregistration number, from the second set information DB 38 (S26). Inaddition, the printing apparatus control unit 21 performs a colorconversion process on the obtained print data by using the colorconversion information read from the second set information DB 38 (S27).

Here, the printing apparatus control unit 21 performs the colorconversion by rewriting color designation included in the drawingcommand of the print data. More specifically, the printing apparatuscontrol unit 21 rewrites color information which coincides with colorinformation before conversion included in the read color conversioninformation, among the color information included in the drawingcommand, into color information after conversion included in the readcolor conversion information. For example, when the drawing command inthe print data is a command of drawing an image, the printing apparatuscontrol unit 21 rewrites color information for each pixel included inthe drawing command. Further, when the drawing command in the print datais a command of drawing a text or a figure, the printing apparatuscontrol unit 21 rewrites color information designated by the drawingcommand. In the color conversion process, the printing apparatus controlunit 21 does not perform the color conversion process based on the colorconversion information read from the second set information DB 38, oncolor information which does not coincide with color information beforeconversion included in the read color conversion information, among thecolor information included in the drawing command.

When the color conversion process is completed, the printing apparatuscontrol unit 21 performs an image process such as a rendering process onprint data after the color conversion process as necessary so as togenerate image data (S28). The rendering process is a process ofconverting print data into bitmap data. In S28, the image process suchas color tone correction, gradation correction, or the like is performedbased on designation print setting information included in the printdata. Further, in S28, a process of converting from an RGB color systemto a CMYK color system, a halftone process, and an interlacing processare also performed. The conversion from the RGB color system to the CMYKcolor system is performed by converting RGB data after a renderingprocess into CMYK data using a known color conversion lookup table(LUT). The printing apparatus control unit 21 performs print, based onthe generated image data (S29).

As described above, the PC 1 according to the first embodiment extractsone or more pieces of color conversion information associated with anappropriate print setting corresponding to a designation print settingdesignated by a user from a plurality of pieces of color conversioninformation stored in the first set information DB 35, and displays oneor more color conversion options corresponding to the extracted one ormore pieces of color conversion information in the color conversion list72 a. With this configuration, as compared when color conversion optionscorresponding to all color conversion information stored in the firstset information DB 35 are displayed, it is possible to reduce the numberof the options. Accordingly, it is possible to easily select the colorconversion information and to reduce erroneous selection.

In addition, since the PC 1 includes a registration number fordesignating color conversion information instead of the color conversioninformation itself, in print data to be transmitted to the printingapparatus 2, it is possible to reduce the amount of data transmission.On the other hand, since the printing apparatus 2 uses the colorconversion information stored in the second set information DB 38 so asto rewrite color designation included in a drawing command of the printdata obtained from the PC 1, from R, G, and B to R′, G′, and B′, it ispossible to easily perform the color conversion process.

The first embodiment can employ the following modification example.

Modification Example 1-1

In the embodiment described above, the print setting screen D2 isdisplayed in the PC 1, but may be displayed in the printing apparatus 2.In the present modification example, the printing apparatus 2 is anexample of “printing control apparatus” and “computer”. Hereinafter, adifference of the present embodiment from the first embodiment will bemainly described. FIG. 9 is a diagram of a system configuration of afirst printing system SY1′ according to the present modificationexample. As compared with the first printing system SY1 (see FIG. 1)according to the first embodiment, the first printing system SY1′according to the present modification example has a difference in that afirst set information DB in printing apparatus 35′ is provided in theprinting apparatus storage unit 26 of the printing apparatus 2, insteadof the second set information DB 38. The first set information DB inprinting apparatus 35′ is an example of “storage unit”. The same firstset information as that in the first set information DB 35 in the PC 1is stored in the first set information DB in printing apparatus 35′.Further, in the present modification example, the printing apparatuscontrol unit 21 is an example of “print data obtainment unit”, “printsetting obtainment unit”, and “control unit”.

FIG. 10 is a flowchart illustrating a flow of a registration processaccording to the present modification example. The PC control unit 11displays the first color conversion information creation screen D1 (seeFIG. 2) (S31), and obtains a color conversion relation setting and anappropriate print setting by a user operation (S32). Further, the PCcontrol unit 11 generates first set information based on the obtainedcolor conversion relation setting and appropriate print setting, andtransmits the generated first set information to the printing apparatus2 (S33). The printing apparatus control unit 21 registers the first setinformation obtained from the PC 1, in the first set information DB inprinting apparatus 35′ (S34).

FIG. 11 is a flowchart illustrating a flow of a printing processaccording to the present modification example. The printing apparatuscontrol unit 21 causes the printing apparatus display unit 23 to displaythe print setting screen D2 (see FIGS. 5 and 6) (S41), and obtains adesignation print setting by a user operation (S42). In addition, basedon the obtained designation print setting, the printing apparatuscontrol unit 21 displays the color conversion list 72 a in the colorconversion information selection field 72 (S43). That is, the printingapparatus control unit 21 extracts one or more pieces of colorconversion information corresponding to the obtained designation printsetting from a plurality of pieces of color conversion informationstored in the first set information DB in printing apparatus 35′, anddisplays one or more color conversion options corresponding to theextracted one or more pieces of color conversion information in thecolor conversion list 72 a. The printing apparatus control unit 21obtains a selection result of the color conversion list 72 a by a useroperation (S44), and stores color conversion information correspondingto a color conversion option selected from the color conversion list 72a in RAM or the like in the printing apparatus control unit 21, assetting color conversion information (S45).

Thereafter, the PC control unit 11 transmits print data to the printingapparatus 2 (S46). Here, the PC control unit 11 transmits print data notincluding a registration number of the color conversion information anddesignation print setting information, to the printing apparatus 2. Whenthe print data is obtained from the PC 1, the printing apparatus controlunit 21 performs a color conversion process on the obtained print databy using the stored setting color conversion information (S47). Further,the printing apparatus control unit 21 performs an image process such asa rendering process on print data after the color conversion process asnecessary so as to generate image data (S48), and performs print basedon the generated image data (S49). Details in S47 to S49 are the same asthose in S27 to S29 in FIG. 8.

In this manner, the first printing system SY1′ according to the presentmodification example obtains a designation print setting in the printingapparatus 2, extracts one or more pieces of color conversion informationbased on the obtained designation print setting from a plurality ofpieces of color conversion information stored in the first setinformation DB in printing apparatus 35′, and displays one or more colorconversion options corresponding to the extracted one or more pieces ofcolor conversion information in the color conversion list 72 a.Accordingly, even when a print setting for print data cannot beperformed in the PC 1, it is possible to obtain the effect similar tothat of the first embodiment. It is considered that a case in which aprint setting for print data cannot be performed in the PC 1 includes acase in which it is difficult to replace or update the print driver 34due to compatibility with the print application 32 or specifications ofthe PC 1.

Modification Example 1-2

Although a print setting is performed in the printing apparatus 2 in themodification example 1-1, the print setting may be performed in the PC 1and the PC 1 may transmit print data including designation print settinginformation to the printing apparatus 2. In this case, the printingapparatus 2 obtains a designation print setting from the designationprint setting information included in the print data, extracts one ormore pieces of color conversion information based on the obtaineddesignation print setting from a plurality of pieces of color conversioninformation stored in the first set information DB in printing apparatus35′, and displays one or more color conversion options corresponding tothe extracted one or more pieces of color conversion information ascolor conversion options.

Modification Example 1-3

In the first embodiment, the first set information DB 35 is included inthe PC 1 and the second set information DB 38 is included in theprinting apparatus 2, but instead of the first set information, only aregistration number and a name of color conversion information may bestored in the PC 1. Further, the first set information DB 35 may not beincluded in the PC 1 and the first set information DB 35 may be includedin the printing apparatus 2, and the PC 1 may refer to the first setinformation DB 35 in the printing apparatus 2. Inversely, the second setinformation DB 38 may not be included in the printing apparatus 2, andthe printing apparatus 2 may refer to the first set information DB 35 inthe PC 1. Further, the first set information DB 35 may be stored in anexternal apparatus accessible by the PC 1 and the printing apparatus 2,and the PC 1 and the printing apparatus 2 may refer to the first setinformation DB 35 in the external apparatus.

Modification Example 1-4

In the first embodiment, when displaying color conversion options in thecolor conversion list 72 a, a plurality of color conversion options arearranged according to an order of registration numbers of colorconversion information, but the color conversion options may be arrangedin an order other than the registration number order. For example, thePC control unit 11 may arrange one or more color conversion optionscorresponding to one or more pieces of color conversion informationextracted based on a designation print setting, according to colorinformation before conversion or color information after conversion.With this configuration, pieces of color conversion information in whichpieces of color information before conversion or pieces of colorinformation after conversion are similar to each other are displayedside by side, so that color conversion information is easily selected.

Further, as a color conversion option to be displayed in the colorconversion list 72 a, description of color conversion information may bedisplayed. For example, as a description, information related to aprintout to which the color conversion information is applied, such as“medicine bag label for ** pharmacy”, “product label for ** company”,and the like may be displayed. Further, when color conversioninformation is used for a logo mark, the logo mark may be displayedtogether with the color conversion information as a color conversionoption. In this case, a plurality of color conversion options may bedisplayed side by side according to the logo mark so that the same logomark is continuously displayed.

Modification Example 1-5

In the first embodiment, a designation print setting designated by auser is obtained and based on the obtained designation print setting,one or more color conversion options corresponding to one or more piecesof color conversion information is displayed in the color conversionlist 72 a. However, not only the designation print setting designated bythe user but also model information of the printing apparatus 2 may beobtained and based on the obtained model information, one or more colorconversion options may be displayed in the color conversion list 72 a.For example, in the first embodiment, the PC control unit 11 may obtainmodel information designated by the user, or may obtain modelinformation from the printing apparatus 2 by inquiring the modelinformation of the printing apparatus 2. Further, in the modificationexample 1-1, the printing apparatus control unit 21 may determine amodel type of the printing apparatus 2, extract one or more colorconversion options from the first set information DB in printingapparatus 35′ based on a designation print setting designated by theuser and the determined model type of the printing apparatus 2, anddisplay the color conversion options in the color conversion list 72 a.With this configuration, when one PC 1 is connected to a plurality ofprinting apparatuses 2 having different model types, the PC 1 maytransmit the same first set information to the all of the printingapparatuses 2 and it is not necessary to generate first set informationaccording to the model type.

Modification Example 1-6

In the first embodiment, a designation print setting is obtained byusing the print setting screen D2 displayed based on the print driver34, but the designation print setting may be obtained by using the printapplication 32. In this case, the PC control unit 11 generates printdata including the designation print setting by using the printapplication 32. Further, the PC control unit 11 obtains print dataincluding a designation print setting, based on the print driver 34 anddisplays a selection screen (not illustrated) including the colorconversion information selection field 72 for selecting color conversionoptions, based on the designation print setting included in the printdata. In addition, based on the print driver 34, the PC control unit 11transmits print data including a designation print setting included inthe print data and a registration number of color conversion informationbased on a selection result of the color conversion informationselection field 72, to the printing apparatus 2.

Modification Example 1-7

In the first embodiment, the PC control unit 11 generates print dataincluding a drawing command, but may generate print data described in alanguage other than that of the command. For example, the print data maybe generated in a markup language such as an extensible markup language(XML).

Second Embodiment

Next, a second embodiment will be described. In the second embodiment,the printing apparatus 2 performs color conversion only on a designatedconversion target in print data. Hereinafter, a difference of thepresent embodiment from the first embodiment will be mainly described.In the present embodiment, the same components as those in the firstembodiment are denoted by the same reference numerals and detaileddescription thereof is omitted. Further, the modification exampleapplied to the component similar to that in the first embodiment is alsoapplied to the present embodiment in the similar manner.

FIG. 12 is a diagram of a system configuration of a first printingsystem SY2 according to the second embodiment. As compared with thefirst printing system SY1 (see FIG. 1) according to the firstembodiment, the second printing system SY2 has a difference in that athird set information DB 81 is provided in the PC storage unit 15 of thePC 1, instead of the first set information DB 35. In the presentembodiment, the PC control unit 11 is an example of “control apparatuscontrol unit”. Further, the second set information DB 38 is an exampleof “storage unit”. In addition, the printing apparatus control unit 21is an example of “print data obtainment unit”. Further, the printingmechanism 24 is an example of “printing unit”.

FIG. 13 is a diagram illustrating an example of third set information.The third set information is information obtained by deleting printsetting information from information corresponding to the first colorconversion relation information in the first set information (see FIG.3), that is, the first set information.

FIG. 14 is a diagram illustrating an example of a second colorconversion information creation screen D3 according to the secondembodiment. The second color conversion information creation screen D3has a screen configuration obtained by deleting the print setting area42 from the first color conversion information creation screen D1 (seeFIG. 2) according to the first embodiment.

FIG. 15 is a diagram illustrating an example of a second detail settingscreen D23 according to the second embodiment. The main setting screenD21 (see FIG. 5) of the print setting screen D2 is the same as that inthe first embodiment, and is not illustrated. The second detail settingscreen D23 has a screen configuration obtained by adding a conversiontarget area designation field 75 to the first detail setting screen D22(see FIG. 6) according to the first embodiment.

In the conversion target area designation field 75, an area to beconverted for color conversion is designated in an image area E0 (seeFIG. 18) of print data. Hereinafter, the area to be converted for colorconversion is referred to as “conversion target area E1 (see FIG. 18)”.In the present embodiment, four coordinates are designated in theconversion target area designation field 75. The printing apparatus 2performs color conversion on a rectangular area having the fourcoordinates as vertices as the conversion target area E1.

FIG. 16 is a flowchart illustrating a flow of a registration processaccording to the second embodiment. The PC control unit 11 displays thesecond color conversion information creation screen D3 (see FIG. 14)(S51), and obtains a color conversion relation setting by a useroperation (S52). Further, the PC control unit 11 generates third setinformation based on the obtained color conversion relation setting, andregisters the generated third set information in the third setinformation DB 81 (S53). In addition, the PC control unit 11 transmitsthe second set information obtained by deleting a name from the thirdset information, to the printing apparatus 2 (S54). The printingapparatus 2 registers the second set information obtained from the PC 1,in the second set information DB 38 (S55).

FIG. 17 is a flowchart illustrating a flow of a printing processaccording to the second embodiment. Here, it is assumed that the thirdset information is registered in the third set information DB 81 and thesecond set information is registered in the second set information DB 38by the registration process illustrated in FIG. 16.

The PC control unit 11 displays the print setting screen D2 (see FIGS. 5and 15) (S61), and obtains a designation print setting, a selectionresult of the color conversion list 72 a in the color conversioninformation selection field 72, and a designation result of theconversion target area E1 in the conversion target area designationfield 75 according to a user operation (S62). The PC control unit 11transmits print data including designation print setting informationindicating the designation print setting, a registration number of colorconversion information based on the selection result of the colorconversion list 72 a, and coordinate information based on thedesignation result of the conversion target area E1, to the printingapparatus 2 (S63). The registration number is an example of “seconddesignation information”, and the coordinate information is an exampleof “first designation information”.

In the present embodiment, as header information of print data, the PCcontrol unit 11 includes the designation print setting information, andthe registration number and the coordinate information in the printdata. Further, the print data includes a drawing command for drawing animage, a text, a figure, and the like.

When the print data is obtained from the PC 1, the printing apparatuscontrol unit 21 reads the color conversion information designated by theregistration number, from the second set information DB 38 (S64). Inaddition, the printing apparatus control unit 21 performs a colorconversion process on the conversion target area E1 designated by thecoordinate information in the image area E0 of the obtained print databy using the color conversion information read from the second setinformation DB 38 (S65). For example, when the print data illustrated inFIG. 18 is obtained and (X1, Y1), (X2, Y2), (X3, Y3), and (X4, Y4) aredesignated as coordinate information, as illustrated in FIG. 18, an areasurrounded by a frame 91 having the four designated coordinates asvertices in the image area E0 of the print data is the conversion targetarea E1. In this case, the printing apparatus control unit 21 performs acolor conversion process based on the color conversion informationdesignated by the registration number on the conversion target area E1,but does not perform the color conversion process based on the colorconversion information designated by the registration number on an areaother than the conversion target area E1, in the image area E0 of theprint data.

When the color conversion process is completed, the printing apparatuscontrol unit 21 performs an image process such as a rendering process onprint data after the color conversion process as necessary so as togenerate image data (S66). Further, the printing apparatus control unit21 performs print, based on the generated image data (S67). Details inS66 and S67 are the same as S28 and S29 in FIG. 8.

As described above, since the PC 1 according to the second embodimenttransmits the print data including the coordinate information ofdesignating the conversion target area E1 for color conversion to theprinting apparatus 2, the printing apparatus 2 performs color conversiononly on the conversion target area E1 designated by the coordinateinformation, in the print data. For this reason, color conversion is notperformed on a portion not desired by the user. In addition, sincecoordinate information is used as information for designating theconversion target area E1, it is possible to accurately designate anarea desired by the user.

Further, since the PC 1 transmits the print data including theregistration number for designating the color conversion information tothe printing apparatus 2, it is possible to reduce the amount of datatransmission as compared when the print data including the colorconversion information itself is transmitted.

The second embodiment can employ the following modification example.

Modification Example 2-1

For example, a preview display may be performed on the second detailsetting screen D23. FIG. 19 is a diagram illustrating an example of asecond detail setting screen D23′ according to the present modificationexample. The second detail setting screen D23′ has a screenconfiguration obtained by adding a preview display area 77 to the seconddetail setting screen D23 (see FIG. 15) according to the secondembodiment. In the preview display area 77, a preview display image 101of print data is displayed. Further, in the preview display area 77, arange corresponding to the conversion target area E1 in the previewdisplay image 101 of the print data is displayed with a dotted frame 102or the like. The PC control unit 11 generates the preview display image101 of print data which is a target of a print setting based on theprint driver 34. More specifically, in the image area E0 of the printdata, the PC control unit 11 performs a color conversion process on theconversion target area E1 based on coordinate information designated bythe conversion target area designation field 75 by using colorconversion information selected by the color conversion informationselection field 72 so as to generate the preview display image 101.Further, the PC control unit 11 causes the PC display unit 13 to displaythe second detail setting screen D23′ including the generated previewdisplay image 101. In the present modification example, the PC displayunit 13 is an example of “display unit”. In this manner, according tothe present modification example, it is possible for a user to estimatea print result of print data obtained by performing color conversion onthe conversion target area E1 from a display on the second detailsetting screen D23′ without actually printing the print data on aprintout, for a preview display.

Modification Example 2-2

In the second embodiment, the coordinate information is used asinformation for designating the conversion target area E1, but theconversion target area E1 may be designated by using information otherthan the coordinate information. For example, the conversion target areaE1 may be designated by using information indicating an upper half areaof print data, an upper left area when the print data is divided intofour, or the like.

Modification Example 2-3

Further, instead of including information for designating the conversiontarget area E1 in print data, information for designating an object tobe converted may be included in the print data. Hereinafter, informationfor designating the object is referred to as “object designationinformation”. The object designation information is an example of “firstdesignation information”. As the object, for example, it is consideredto designate a text, a figure, a line, or the like.

In this case, the second detail setting screen D23 is provided with anobject designation field for designating an object to be convertedinstead of the conversion target area designation field 75. Further,based on a designation result of the object designation field, the PCcontrol unit 11 transmits print data including the object designationinformation to the printing apparatus 2. The printing apparatus controlunit 21 specifies a conversion target for color conversion, based on theobject designation information included in the print data. For example,when the object designation information is information for designating atext, the printing apparatus control unit 21 rewrites color informationonly for the text, among objects included in the print data. That is,the printing apparatus control unit 21 rewrites the designated colorinformation for a drawing command for drawing the text.

When the obtained print data is image data, the printing apparatuscontrol unit 21 extracts a text target pixel by using a technology suchas optical character recognition (OCR) and rewrites color informationinto the extracted text target pixel. Further, the printing apparatuscontrol unit 21 does not rewrite color information for objects otherthan the object designated by the object designation information amongthe objects included in the print data.

Modification Example 2-4

In addition, coordinate information and object designation informationmay be combined as information for designating a conversion target. Inthis case, the coordinate information and the object designationinformation may be designated as an AND condition or an OR condition.For example, in the former case, the printing apparatus control unit 21performs color conversion on an object designated by object designationinformation in the conversion target area E1 designated by coordinateinformation in the image area E0 of print data. Further, in the lattercase, the printing apparatus control unit 21 performs color conversionon the conversion target area E1 designated by the coordinateinformation in the image area E0 of the print data and the objectdesignated by the object designation information in the image area E0 ofthe print data.

As described above, the two embodiments are described, a method ofexecuting each process of the PC 1 and the printing apparatus 2described in each of the embodiments and the modification examplesdescribed above, a program for executing each process of the PC 1 andthe printing apparatus 2, and a non-transitory computer-readable storagemedium storing the program are also included in the scope of thedisclosure. Further, each embodiment and each modification example maybe combined.

In addition, instead of the PC1, various information processingterminals such as various tablet terminals, smart phones, and the likemay be used. Further, the disclosure can be appropriately modifiedwithout departing from the gist of the disclosure, for example, byrealizing each process of the PC 1 and the printing apparatus 2 bycooperation of hardware and software.

Appendixes

Hereinafter, appendixes to a printing control apparatus, a printingapparatus, a printing system, and a non-transitory computer-readablestorage medium storing a program will be added.

The PC 1 includes the first set information DB 35 that stores aplurality of pieces of first set information including color conversioninformation for color-converting first color information into secondcolor information different from the first color information and a printsetting corresponding to the color conversion information in associationwith each other, and the PC control unit 11 that obtains a designationprint setting which is a print setting designated for print data,displays the color conversion list 72 a including one or more options ofthe color conversion information associated with the print settingcorresponding to the obtained designation print setting based on theplurality of pieces of first set information stored in the first setinformation DB 35 on the PC display unit 13, and controls colorconversion to be performed on the print data based on the colorconversion information selected from the color conversion list 72 a.

The first printing system SY1 includes the printing apparatus 2 thatstores a plurality of pieces of color conversion information forcolor-converting first color information into second color informationdifferent from the first color information and the PC 1 that performsprint control on the printing apparatus 2, the PC 1 includes the firstset information DB 35 that stores a plurality of pieces of first setinformation including the plurality of pieces of color conversioninformation stored in the printing apparatus 2 and a print settingcorresponding to the color conversion information in association witheach other, and the PC control unit 11 that obtains a designation printsetting which is a print setting designated for print data, displays thecolor conversion list 72 a including one or more options of the colorconversion information associated with the print setting correspondingto the obtained designation print setting based on the plurality ofpieces of first set information stored in the first set information DB35 on the PC display unit 13, and transmits the print data includingdesignation information for designating the color conversion informationselected from the color conversion list 72 a, and the printing apparatus2 includes the printing apparatus control unit 21 that reads the colorconversion information designated by the designation informationincluded in the obtained print data from the plurality of pieces ofcolor conversion information stored in the printing apparatus 2,performs color conversion on the obtained print data based on the readcolor conversion information, and causes the printing mechanism 24 toexecute printing based on image data obtained by performing colorconversion on the print data.

The print driver 34 causes the PC 1, including the first set informationDB 35 that stores a plurality of pieces of first set informationincluding color conversion information for color-converting first colorinformation into second color information different from the first colorinformation and a print setting corresponding to the color conversioninformation in association with each other, to execute a step ofobtaining a designation print setting which is a print settingdesignated for print data and a step of displaying the color conversionlist 72 a including one or more options of the color conversioninformation associated with the print setting corresponding to theobtained designation print setting based on the plurality of pieces offirst set information stored in the first set information DB 35 on thePC display unit 13 and controlling color conversion to be performed onthe print data based on the color conversion information selected fromthe color conversion list 72 a.

With this configuration, the color conversion list 72 a including one ormore options of the color conversion information associated with theprint setting corresponding to the obtained designation print settingamong the plurality of pieces of color conversion information stored inthe first set information DB 35 is displayed. For this reason, ascompared when options of all color conversion information stored in thefirst set information DB 35 are displayed, it is possible to reduce thenumber of the options. Accordingly, it is possible to easily select thecolor conversion information and reduce the options.

The PC 1 is configured to communicate with the printing apparatus 2which stores the plurality of pieces of color conversion informationincluded in the plurality of pieces of first set information stored inthe first set information DB 35, and the PC control unit 11 transmitsthe print data including designation information for designating thecolor conversion information selected from the color conversion list 72a.

With this configuration, since designation information for designatingcolor conversion information instead of the color conversion informationitself is included in print data to be transmitted to the printingapparatus 2, it is possible to reduce the amount of data transmission.

The printing apparatus 2 includes the first set information DB inprinting apparatus 35′ that stores a plurality of pieces of first setinformation including color conversion information for color-convertingfirst color information into second color information different from thefirst color information and a print setting corresponding to the colorconversion information in association with each other and the printingapparatus control unit 21 that obtains print data and a designationprint setting which is a print setting designated for the print data,displays the color conversion list 72 a including one or more options ofthe color conversion information associated with the print settingcorresponding to the obtained designation print setting based on theplurality of pieces of first set information stored in the first setinformation DB in printing apparatus 35′ on the printing apparatusdisplay unit 23, performs color conversion on the obtained print databased on the color conversion information selected from the colorconversion list 72 a, and causes the printing mechanism 24 to executeprinting based on image data obtained by performing color conversion onthe print data.

With this configuration, the designation print setting is obtained inthe printing apparatus 2 and the color conversion list 72 a includingone or more options of the color conversion information associated withthe print setting corresponding to the obtained designation printsetting among the plurality of pieces of color conversion informationstored in the first set information DB in printing apparatus 35′ isdisplayed. Accordingly, even when a print setting for print data cannotbe performed in the PC 1, it is possible to perform the print setting inthe printing apparatus 2. In addition, since it is possible to reducethe number of options of the color conversion information, it ispossible to easily select the color conversion information and reducethe options.

In the printing apparatus 2, the print data includes a drawing command,and the printing apparatus control unit 21 performs the color conversionby rewriting color designation included in the drawing command.

With this configuration, the printing apparatus 2 can easily performcolor conversion by rewriting color designation included in the drawingcommand.

What is claimed is:
 1. A printing control apparatus that controlsdisplay on a display unit, the apparatus comprising: a storage unitconfigured to store a plurality of pieces of correspondence informationincluding color conversion information for color-converting first colorinformation into second color information different from the first colorinformation and a print setting corresponding to the color conversioninformation in association with each other; a print setting obtainmentunit configured to obtain a designation print setting which is a printsetting designated for print data; and a control unit configured tocause the display unit to display a color conversion list including oneor more pieces of color conversion information associated with theobtained designation print setting based on the plurality of pieces ofcorrespondence information stored in the storage unit and control colorconversion to be performed on the print data based on color conversioninformation selected from the color conversion list.
 2. The printingcontrol apparatus according to claim 1, wherein the printing controlapparatus is configured to communicate with a printing apparatus whichstores a plurality of pieces of color conversion information included inthe plurality of pieces of correspondence information stored in thestorage unit, and the control unit configured to transmit, to theprinting apparatus, the print data including designation information fordesignating the color conversion information selected from the colorconversion list.
 3. A printing apparatus comprising: a printing unitconfigured to execute printing; a storage unit configured to store aplurality of pieces of correspondence information including colorconversion information for color-converting first color information intosecond color information different from the first color information anda print setting corresponding to the color conversion information inassociation with each other; a print data obtainment unit configured toobtain print data; a print setting obtainment unit configured to obtaina designation print setting which is a print setting designated for theprint data; and a printing apparatus control unit configured to cause adisplay unit to display a color conversion list including one or morepieces of color conversion information associated with the print settingcorresponding to the obtained designation print setting based on theplurality of pieces of correspondence information stored in the storageunit, perform color conversion on the obtained print data based on colorconversion information selected from the color conversion list, andcause the printing unit to execute printing based on image data obtainedby performing color conversion on the print data.
 4. The printingapparatus according to claim 3, wherein the print data includes adrawing command, and the printing apparatus control unit performs colorconversion by rewriting color designation included in the drawingcommand.
 5. A non-transitory computer-readable storage medium storing aprogram that causes a computer, including a storage unit that stores aplurality of pieces of correspondence information including colorconversion information for color-converting first color information intosecond color information different from the first color information anda print setting corresponding to the color conversion information inassociation with each other, to execute: obtaining a designation printsetting designated for print data; causing a display unit to display acolor conversion list including one or more pieces of color conversioninformation associated with a print setting corresponding to theobtained designation print setting based on the plurality of pieces ofcorrespondence information stored in the storage unit; and controllingcolor conversion to be performed on the print data based on colorconversion information selected from the color conversion list.